Flat Rock, Ohio Weather
Cicadas claim the afternoon. Day 14 of summer. Read this microseason across nine climate regions →
Flat Rock weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast32%—87°70°—
- SundayJul 5Light Rain34%0.16″82°71°-5°
- MondayJul 6Light Drizzle42%—78°67°-4°
- TuesdayJul 7Light Drizzle——78°66°0°
- WednesdayJul 8Overcast——85°63°+7°
- ThursdayJul 9Light Drizzle44%—82°66°-3°
- FridayJul 10Light Drizzle47%—79°69°-3°
AQI 34 (Good), driven by Ozone. AQI down 5 over the last 6 hours (gradual decline). Ozone at AQI 80 now. With UV 6.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 48 around 1 PM.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion during the projected peak around 9 PM.
What's driving it
Ozone × UV × Sky
Ozone at AQI 80 now. With UV 6.4 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 48 around 1 PM.
- Present
- AQI 80
- UV peak
- 6.4 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 48
PM × Wind × Precip
PM2.5 at 9.2 µg/m³, PM10 at 10.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.89
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- background
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).








































If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:27 PM
- Moonset
- 10:34 AM
- In sign
- ♓︎ Pisces
Cicadas claim the afternoon
Flat Rock at a glance
- Today vs. normal: 12°F above the seasonal normal for this latitude
- Last frost: April 23 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 44828
16-Day Forecast — Flat Rock
- Sat87°70°32%
- Sun82°71°34%
- Mon78°67°42%
- Tue78°66°9%
- Wed85°63°6%
- Thu82°66°44%
- Fri79°69°47%
- Sat83°67°26%
- Sun76°61°13%
- Mon64°59°19%
- Tue76°59°15%
- Wed83°64°23%
- Thu84°67°29%
- Fri85°69°23%
- Sat85°67°31%
- Sun85°66°33%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 4, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Flat Rock
SPC has placed Flat Rock in the Marginal Risk category for severe thunderstorms today.
- TODAYMRGLMarginal Risk
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Isolated severe storms possible. Limited threat for hail or damaging wind.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Flat Rock
- 44828
- 44811